Patents by Inventor Erwin L. Johnston

Erwin L. Johnston has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4386451
    Abstract: The method and means of compressing meat products is described which ensure that the top and bottom portions of the meat or poultry product or the like will be flattened and so that the meat product will have a predetermined thickness.
    Type: Grant
    Filed: August 28, 1980
    Date of Patent: June 7, 1983
    Assignee: Boldt Industries, Inc.
    Inventors: Marvin R. Phillips, Erwin L. Johnston